• Home
  • Latest
  • Coins2Day 500
  • Finance
  • Tech
  • Leadership
  • Lifestyle
  • Rankings
  • Multimedia

Leopard: The Definitive Review

By
Philip Elmer-DeWitt
Philip Elmer-DeWitt
Down Arrow Button Icon
By
Philip Elmer-DeWitt
Philip Elmer-DeWitt
Down Arrow Button Icon
October 29, 2007, 8:27 AM ET

Most consumers thinking about buying Apple’s (AAPL) new Leopard operating system will learn what they need to know from the first wave of reviews — the ones written by journalists who were given pre-loaded, pre-release copies of OS X 10.5 and had a week to play with it.

But the review that programmers were waiting for was the one by fellow developer John Siracusa, the Ars Technica columnist who wrote the definitive assessments of the previous five versions of OS X — and has been described as the guy who should be in charge of Finder development at Apple.

Siracusa took careful notes at the Apple developers conferences and has been living with Leopard since the first seed was released. His review came out on Sunday, and it’s a doozy — long, deep, painstaking detailed, and unafraid to call ’em like he sees ’em.

He lays out his criteria right at the top:

And as I see it, operating system beauty is more than skin deep. While the casual Mac user will gauge Leopard’s worth by reading about the marquee features or watching a guided tour movie at Apple’s web site, those of us with an unhealthy obsession with operating systems will be trolling through the internals to see what’s really changed.

These two views of Leopard, the interface and the internals, lead to two very different assessments. Somewhere in between lie the features themselves, judged not by the technology they’re based on or the interface provided for them, but by what they can actually do for the user. (link)

True to his word, Siracusa gives us two reviews — a user’s view of the look and feel of the OS and a developer’s view of the stuff going on under the hood.

The stuff under the hood gets high marks. The terms that come up over and over are “sensible,” “pragmatic” and “compromise.” A typical summary graph:

The minimal, almost humble way Core Animation integrates with Cocoa belies its incredible sophistication. More so than any other new framework in Leopard, Core Animation provides functionality and performance that was previously difficult or impossible for the average Cocoa programmer to create on his own. Now, finally, third-party applications can look as impressive as Apple’s, and they can do so by using exactly the same code that Apple’s using—code written by expert graphics programmers and continually revised and improved by Apple to take advantage of the latest hardware. Excellent.

About the hood itself, he’s not so kind. A hard taskmaster when it comes to user interfaces, Siracusa faults Apple again and again for choosing flash over usability. He sums up the problem — and speculates about its source — in two damning paragraphs:

Leopard’s new look has been compared to the Aero Glass look in Windows Vista. While I think there are few legitimate similarities, this comparison comes up as often as it does because the two designs share one prominent attribute: the gratuitous, inappropriate use of translucency to the detriment of usability.

Why, Apple? Why!? Was there something horribly wrong with the existing menu bar—something that could only be fixed by injuring its legibility? Like the folder icons and the Dock, it’s not so much a fatal flaw in and of itself. It’s what it implies about the situation at Apple that is so troubling. What in the holy hell has to happen in a meeting for this idea to get the green light? Is this the dark side of Steve Jobs’s iron-fisted rule—that there’s always a risk that an obviously ridiculous and horrible idea will be expressed in his presence and he’ll (inexplicably) latch onto it and make it happen? Ugh, I don’t even want to think about it.

Even if you never wrote or hope to write a line of code, you’ll learn a lot about Apple, its operating systems and the future of Macintosh applications from reading Siracusa. Highly recommended.

About the Author
By Philip Elmer-DeWitt
See full bioRight Arrow Button Icon

Latest in

Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Coins2Day Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Coins2Day Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Coins2Day Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Coins2Day Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Coins2Day Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Coins2Day Editors
October 20, 2025

Most Popular

Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Coins2Day Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Coins2Day Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Coins2Day Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Coins2Day Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Coins2Day Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Coins2Day Editors
October 20, 2025
Rankings
  • 100 Best Companies
  • Coins2Day 500
  • Global 500
  • Coins2Day 500 Europe
  • Most Powerful Women
  • Future 50
  • World’s Most Admired Companies
  • See All Rankings
Sections
  • Finance
  • Leadership
  • Success
  • Tech
  • Asia
  • Europe
  • Environment
  • Coins2Day Crypto
  • Health
  • Retail
  • Lifestyle
  • Politics
  • Newsletters
  • Magazine
  • Features
  • Commentary
  • Mpw
  • CEO Initiative
  • Conferences
  • Personal Finance
  • Education
Customer Support
  • Frequently Asked Questions
  • Customer Service Portal
  • Privacy Policy
  • Terms Of Use
  • Single Issues For Purchase
  • International Print
Commercial Services
  • Advertising
  • Coins2Day Brand Studio
  • Coins2Day Analytics
  • Coins2Day Conferences
  • Business Development
About Us
  • About Us
  • Editorial Calendar
  • Press Center
  • Work At Coins2Day
  • Diversity And Inclusion
  • Terms And Conditions
  • Site Map
  • Facebook icon
  • Twitter icon
  • LinkedIn icon
  • Instagram icon
  • Pinterest icon

Latest in

BankingCredit cards
It may come down to Trump using political pressure to force banks to cap interest rates on credit cards
By Ken Sweet and The Associated PressJanuary 17, 2026
8 hours ago
PoliticsAffordable Care Act (ACA)
There’s broad bipartisan support in Congress to renew Obamacare subsidies, but the abortion issue could block a deal and keep premiums high
By Mary Clare Jalonick and The Associated PressJanuary 17, 2026
8 hours ago
Economycreator economy
The creator economy may be bigger than we think, and taxing side hustles will be a growing issue as an OnlyFans ‘sin tax’ is debated
By Jason MaJanuary 17, 2026
9 hours ago
PoliticsDonald Trump
Trump wants nations to pay $1 billion to stay on his peace board
By BloombergJanuary 17, 2026
11 hours ago
EconomyTariffs and trade
EU and Mercosur bloc of South American nations sign trade deal to end quarter-century of talks, just as Trump hits Europe with new tariffs
By Nayara Batschke, Isabel Debre and The Associated PressJanuary 17, 2026
11 hours ago
EuropeTariffs and trade
EU set to halt U.S. trade deal over Trump’s latest tariff threat
By Richard Bravo and BloombergJanuary 17, 2026
12 hours ago

Most Popular

placeholder alt text
Newsletters
The oil CEO who stood up to Trump is a follower of the disciplined 'Exxon way' and has a history of blunt statements
By Jordan BlumJanuary 13, 2026
5 days ago
placeholder alt text
Politics
The Nobel Prize committee doesn't want Trump getting one, even as a gift—but they treated Obama very differently
By Nick LichtenbergJanuary 16, 2026
1 day ago
placeholder alt text
Banking
'Absolutely, positively no chance, no way, no how, for any reason': Dimon says he'd never run the Fed but 'would take the call' to lead Treasury
By Jacqueline MunisJanuary 16, 2026
2 days ago
placeholder alt text
Economy
America’s $38 trillion national debt is so big the nearly $1 trillion interest payment will be larger than Medicare soon
By Shawn TullyJanuary 15, 2026
3 days ago
placeholder alt text
Success
Jensen Huang tells Stanford students their high expectations may make it hard for them to succeed: 'I wish upon you ample doses of pain and suffering'
By Orianna Rosa RoyleJanuary 16, 2026
2 days ago
placeholder alt text
Innovation
Exclusive: Elon Musk’s Boring Co. is studying a tunnel project to Tesla Gigafactory near Reno
By Jessica MathewsJanuary 16, 2026
1 day ago

© 2025 Coins2Day Media IP Limited. All Rights Reserved. Use of this site constitutes acceptance of our Terms of Use and Privacy Policy | CA Notice at Collection and Privacy Notice | Do Not Sell/Share My Personal Information
FORTUNE is a trademark of Coins2Day Media IP Limited, registered in the U.S. and other countries. FORTUNE may receive compensation for some links to products and services on this website. Offers may be subject to change without notice.